ICET Data Interpretation 3 — Questions and Answers
Question 1: A company's revenue: Year 1 = $100K, Year 2 = $130K, Year 3 = $160K. What type of growth pattern is this?
- Exponential
- Linear (Correct answer)
- Logarithmic
- Geometric
Correct answer: Linear
Revenue increases by a constant $30K each year, which is a linear growth pattern.
Question 2: A student scored 60, 70, 80 in three tests. What score in the fourth test gives an overall average of 75?
- 85
- 88
- 90 (Correct answer)
- 92
Correct answer: 90
Required total = 75 × 4 = 300; current total = 210; fourth score = 300 − 210 = 90.
Question 3: A histogram shows bars with frequencies 10, 20, 15, 25, and 30. Which class is the modal class?
- First bar (freq 10)
- Second bar (freq 20)
- Fourth bar (freq 25)
- Fifth bar (freq 30) (Correct answer)
Correct answer: Fifth bar (freq 30)
The modal class has the highest frequency, which is 30 (the fifth bar).
Question 4: Sales in January were 500 units and in June were 800 units. What is the percentage growth?
- 50%
- 55%
- 60% (Correct answer)
- 65%
Correct answer: 60%
Growth = (800 − 500)/500 × 100 = 60%.
Question 5: A stacked bar chart shows Category A at 40% and Category B at 60% of 300 total items. How many are in Category A?
- 100
- 110
- 120 (Correct answer)
- 130
Correct answer: 120
Category A = 40% of 300 = 120.
Question 6: If the variance of a data set is 16, what is the standard deviation?
- 2
- 4 (Correct answer)
- 6
- 8
Correct answer: 4
Standard deviation = √variance = √16 = 4.
ICET Data Interpretation 3
A company's revenue: Year 1 = $100K, Year 2 = $130K, Year 3 = $160K.
What type of growth pattern is this?